Egg in a Bottle

 MATERIALS :

• Egg ( boiled one )
• Conical flask
• Paper
• Match box

PROCEDURE :

• Take a piece of paper, fire it and drop it into the bottle.
• Set the egg on the top of the bottle.
• When the flame go out , the egg will get pushed into the bottle.

REASON :

• Pressure of the air present in inside and out side of the bottle same.
• Change the temperature of the air inside the bottle that time the pressure also change inside the bottle.
• So that inside the pressure decrease and the out side pressure increase .
• So high pressure will push the egg into the flak.